CN203243782U - Detector of continuous demanded water amount of plant growth - Google Patents
Detector of continuous demanded water amount of plant growth Download PDFInfo
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- CN203243782U CN203243782U CN 201320279044 CN201320279044U CN203243782U CN 203243782 U CN203243782 U CN 203243782U CN 201320279044 CN201320279044 CN 201320279044 CN 201320279044 U CN201320279044 U CN 201320279044U CN 203243782 U CN203243782 U CN 203243782U
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- pressure water
- water tank
- water supply
- negative pressure
- water
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Abstract
The utility model discloses a detector of a continuous demanded water amount of plant growth. The detector of the continuous demanded water amount of plant growth comprises an observation tube, soil, plants, a weighing instrument and a water source, wherein the soil, the plants, the weighing instrument and the water source are arranged inside the observation tube, a pressure water tank is arranged outside the observation tube, the pressure water tank is arranged on the weighing instrument, the pressure water tank is communicated with a water feeder inside the observation tube and the water source inside the observation tube, and the water feeder is a drip irrigation emitter or a buried irrigation device or an infiltrating irrigation device. The detector of the continuous demanded water amount of plant growth is used for detecting the continuous demanded water amount of the plants.
Description
Technical field:
The utility model relates to a kind of measuring technique, particularly the detector of the continuous water requirement of a plant growth.
Background technology:
For study plant in each vegetative period the Changing Pattern to the demand of water, a high-precision plant absorbing water yield weighing instrument need to be arranged, eighties of last century was once introduced developed country's equipment, this equipment is to adopt the observation cylinder, in the soil of plant growth in this observation cylinder the soil in the cylinder is carried out drip irrigation, infiltrating irrigation or irrigation, the growth of the moisture of plant absorbing and nutrient is also carried out transpiration and is consumed moisture in the observation cylinder himself moisture, by to observation cylinder, soil, the in good time total weight of moisture and plant goes out water consumption, this equipment expensive but precision is not high, reason one is to observe cylinder, the weight of soil and plant is up to several tons, even the precision of weighing instrument is one thousandth, its error amount is several kilograms, the weight of its two plant itself changes, and this weight can't be deducted.
Summary of the invention:
The utility model purpose provides a kind of detector of the continuous water absorption of a plant growth that certainty of measurement height and equipment manufacturing cost are low under the continuous water feeding condition.
The technical scheme that realizes the utility model purpose is, the detector of the continuous water requirement of one plant growth, comprise observation cylinder and interior soil thereof, plant, weighing instrument and water source is characterized in that: be provided with pressure water tank outside described observation cylinder, described pressure water tank places on the described weighing instrument, described pressure water tank is communicated with observation tin interior water feeder and a water source respectively, and described water feeder is drip irrigation emitter, pot-burying device or irrigation device.The detector of the continuous water requirement of one plant growth, comprise observation cylinder and interior soil and plant thereof, weighing instrument and water source, it is characterized in that: be outside equipped with pressure water tank at described observation cylinder, this pressure water tank is communicated with the water source, this pressure water tank be placed on described weigh above, below this pressure water tank, be provided with the negative pressure water supply case, the two ends of one feed pipe are communicated with pressure water tank and negative pressure water supply case respectively, the upper port of one breather pipe is in the liquid level top of pressure water tank, the lower port of this breather pipe is between the ventilation hole and water tank top board of negative pressure water supply upper box part, water level contact in the input of water level controller and the described pressure water tank is connected, motor-driven valve on the water inlet pipe between the output of this water level controller and pressure water tank and the water source is connected, the apopore of the magnetic valve that one end of negative-pressure water supply pipe is outer with being located at the observation cylinder is communicated with, the other end of this negative-pressure water supply pipe is communicated with negative pressure water supply device in the described observation cylinder soil, and the two ends of another feed pipe are communicated with inlet opening and the pressure water tank of described magnetic valve respectively; Be provided with water pipe between another inlet opening of this magnetic valve and the negative pressure water supply case, contact in the input of negative pressure water supply controller and the described negative-pressure water supply pipe is connected, the output of this negative pressure water supply controller is connected with the coil of described magnetic valve, the structure of described magnetic valve is, comprise inlet opening and apopore, the right side of magnetic valve lower housing portion have two parallel often drive water hole 16 and normally closed inlet opening 17 into, the inner port of this two inlet opening is communicated with water cavity respectively, there is an apopore 15 in the left side of this magnetic valve lower housing portion, the inner port of this apopore is communicated with above-mentioned water cavity, the upper end of above-mentioned water cavity is provided with two vertical chambeies that parallel, normally open valve magnetic core 21 and normally close valve magnetic core 24 place respectively in above-mentioned two vertical chambeies, be provided with stage clip between the upper surface in the upper surface of above-mentioned normally close valve magnetic core and vertical chamber, its lower end is provided with on the minor diameter cylinder of stage clip 23 above-mentioned normally open valve magnetic core bottoms and is arranged with stage clip 19, the lower end of this minor diameter cylinder is provided with rubber closure 18, the lower end of normally close valve magnetic core is provided with rubber closure 22, above-mentioned two rubber closures respectively ring surface with the above-mentioned inner port that often drives water hole and normally closed inlet opening into are relative, bottom outside the vertical cavity at normally open valve magnetic core place is provided with coil 20, the normally close valve magnetic core the top in another vertical cavity outside be provided with coil 25, two above-mentioned coils are connected with the output of described negative pressure water supply controller respectively.
The utility model has the high and low remarkable advantage of price of precision compared with the prior art.
Description of drawings:
Fig. 1 is the utility model with the schematic diagram of negative pressure water supply, and Fig. 2 is magnetic valve front view of the present utility model, and Fig. 3 is the A-B of Fig. 2 cutaway view of transferring, and Fig. 4 is the A-C of Fig. 2 cutaway view of transferring.
Embodiment:
There is the high shortcoming of precision low cost in order to overcome existing weighing, the utility model adopts negative pressure continuously to the plant water-supply technology, carry out the weighing technology scheme by the consumption to the water in the pressure water tank, because the object of weighing does not contain the large observation cylinder of soil, plant and weight, pressure water tank only has a few percent of above-mentioned weight, has improved weighing precision.The structure of the detector of this continuous water feeding plant water requirement is: fill soil in the observation cylinder 1, plant 13 is grown on the soil of this observation cylinder, negative pressure water supply device 14 is embedded in the soil at root system of plant place, described negative pressure water supply device is pipe, be evenly equipped with the aperture on the tube wall of pipe less than 50 microns aperture, near described negative pressure water supply device, be provided with the observation tube 2 of observing soil moisture in the soil.The apopore of magnetic valve 4 is communicated with above-mentioned negative pressure water supply device, two inlet openings of this magnetic valve are communicated with pressure water tank 10 and negative pressure water supply case 3 respectively, the height of negative pressure water supply case is a little less than magnetic valve 4 one inlet openings wherein, the feed pipe 7 of pressure water tank is communicated with an inlet opening of negative pressure water supply case and above-mentioned magnetic valve respectively, the lower port of breather pipe 8 is in the ventilation hole of negative pressure water supply upper box part therewith between the water tank top board, the upper port of this breather pipe is on the liquid level of pressure water tank, and above-mentioned pressure water tank places on the weighing instrument 11.Being provided with the water level contact in the pressure water tank is connected with water level controller 9, the signal output part of this water level controller 9 therewith entering water electromagnetic valve on the water inlet pipe 12 between pressure water tank and the water source connects, the signal output part of negative pressure water supply controller 6 is connected with described magnetic valve 4, is provided with the contact in the negative-pressure water supply pipe 5 and is connected with above-mentioned negative pressure water supply controller 6.The structure of described magnetic valve is, comprise inlet opening and apopore, the right side of magnetic valve lower housing portion have two parallel often drive water hole 16 and normally closed inlet opening 17 into, the inner port of this two inlet opening is communicated with water cavity respectively, there is an apopore 15 in the left side of this magnetic valve lower housing portion, the inner port of this apopore is communicated with above-mentioned water cavity, the upper end of above-mentioned water cavity is provided with two vertical chambeies that parallel, normally open valve magnetic core 21 and normally close valve magnetic core 24 place respectively in above-mentioned two vertical chambeies, be provided with stage clip between the upper surface in the upper surface of above-mentioned normally close valve magnetic core and vertical chamber, its lower end is provided with on the minor diameter cylinder of stage clip 23 above-mentioned normally open valve magnetic core bottoms and is arranged with stage clip 19, the lower end of this minor diameter cylinder is provided with rubber closure 18, the lower end of normally close valve magnetic core is provided with rubber closure 22, above-mentioned two rubber closures respectively ring surface with the above-mentioned inner port that often drives water hole and normally closed inlet opening into are relative, bottom outside the vertical cavity at normally open valve magnetic core place is provided with coil 20, the normally close valve magnetic core the top in another vertical cavity outside be provided with coil 25, two above-mentioned coils are connected with the output of described negative pressure water supply controller respectively.
Operation principle of the present utility model is; Under normal circumstances, water in the pressure water tank supplies water to the negative pressure water supply case through feed pipe 7, in the negative-pressure water supply pipe negative pressure not under the loss situation, the negative pressure water supply case feeds water to observation cylinder soil by negative pressure water supply magnetic valve 4, when negative pressure is lost, water level contact signal in the negative-pressure water supply pipe makes the auxiliary reclay generation electric pulse of controller that the normally closed inlet opening that is communicated with negative pressure water supply pipe 7 in the negative pressure water supply magnetic valve is opened to negative-pressure water supply pipe water supply recovery negative pressure by the water level contact signal of negative pressure water supply controller, after negative pressure is recovered, pulse stops, the normally closed inlet opening of this negative pressure water supply magnetic valve 4 resets, and the inlet opening that is communicated with negative-pressure water supply pipe in this magnetic valve becomes open mode by closed condition, at this moment, the negative pressure water supply case is in normally provides the negative pressure water supply source to the observation cylinder, when the lower port that drops to breather pipe when the water level in the negative pressure water supply case is left the water surface, pressure water tank water surface top is communicated with atmosphere, pressure water tank supplies water from trend negative pressure water supply case, when the water level in the negative pressure water supply case rises to the lower port of flooding breather pipe, automatically stop to supply water to the negative pressure water supply case.This negative pressure water supply is to form negative pressure according to soil to absorb moisture by water feeder, when the flow of water of soil reaches balance, no longer absorbs moisture.The negative pressure water supply device supplies water to plant continuously, and the water yield in the pressure water tank is recorded by measuring instrument in good time, can show by display, or print, and can also draw out the curve of the plant water requirement take the time as abscissa.Because the pressure water tank volume is little, its weight with water generally only has tens of kilograms, and its precision of weighing instrument of use same accuracy grade improves greatly, and the weight of weighing do not contain plant weight, and its precision is higher.Cross when dark when root system of plant, one even three negative pressure water supply devices can be set in the soil of different depth.Above-mentioned water supply modes is negative pressure water supply, also can adopt drip irrigation, buries filling, the continuous water feeding modes such as infiltrating irrigation or shady filling.
Claims (2)
1. the detector of the continuous water requirement of a plant growth, comprise observation cylinder and interior soil thereof, plant, weighing instrument and water source, it is characterized in that: outside described observation cylinder, be provided with pressure water tank, described pressure water tank places on the described weighing instrument, and described pressure water tank is communicated with observation tin interior water feeder and a water source respectively, and described water feeder is drip irrigation emitter, pot-burying device or irrigation device.
2. the detector of the continuous water requirement of a plant growth, comprise observation cylinder and interior soil and plant thereof, weighing instrument and water source, it is characterized in that: be outside equipped with pressure water tank at described observation cylinder, this pressure water tank is communicated with the water source, this pressure water tank be placed on described weigh above, below this pressure water tank, be provided with the negative pressure water supply case, the two ends of one feed pipe are communicated with pressure water tank and negative pressure water supply case respectively, the upper port of one breather pipe is in the liquid level top of pressure water tank, the lower port of this breather pipe is between the ventilation hole and water tank top board of negative pressure water supply upper box part, water level contact in the input of water level controller and the described pressure water tank is connected, motor-driven valve on the water inlet pipe between the output of this water level controller and pressure water tank and the water source is connected, the apopore of the magnetic valve that one end of negative-pressure water supply pipe is outer with being located at the observation cylinder is communicated with, the other end of this negative-pressure water supply pipe is communicated with negative pressure water supply device in the described observation cylinder soil, and the two ends of another feed pipe are communicated with inlet opening and the pressure water tank of described magnetic valve respectively; Be provided with water pipe between another inlet opening of this magnetic valve and the negative pressure water supply case, contact in the input of negative pressure water supply controller and the described negative-pressure water supply pipe is connected, the output of this negative pressure water supply controller is connected with the coil of described magnetic valve, the structure of described magnetic valve is, comprise inlet opening and apopore, the right side of magnetic valve lower housing portion have two parallel often drive water hole 16 and normally closed inlet opening 17 into, the inner port of this two inlet opening is communicated with water cavity respectively, there is an apopore 15 in the left side of this magnetic valve lower housing portion, the inner port of this apopore is communicated with above-mentioned water cavity, the upper end of above-mentioned water cavity is provided with two vertical chambeies that parallel, normally open valve magnetic core 21 and normally close valve magnetic core 24 place respectively in above-mentioned two vertical chambeies, be provided with stage clip between the upper surface in the upper surface of above-mentioned normally close valve magnetic core and vertical chamber, its lower end is provided with on the minor diameter cylinder of stage clip 23 above-mentioned normally open valve magnetic core bottoms and is arranged with stage clip 19, the lower end of this minor diameter cylinder is provided with rubber closure 18, the lower end of normally close valve magnetic core is provided with rubber closure 22, above-mentioned two rubber closures respectively ring surface with the above-mentioned inner port that often drives water hole and normally closed inlet opening into are relative, bottom outside the vertical cavity at normally open valve magnetic core place is provided with coil 20, the normally close valve magnetic core the top in another vertical cavity outside be provided with coil 25, two above-mentioned coils are connected with the output of described negative pressure water supply controller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320279044 CN203243782U (en) | 2013-05-21 | 2013-05-21 | Detector of continuous demanded water amount of plant growth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320279044 CN203243782U (en) | 2013-05-21 | 2013-05-21 | Detector of continuous demanded water amount of plant growth |
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| CN203243782U true CN203243782U (en) | 2013-10-23 |
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| CN 201320279044 Expired - Fee Related CN203243782U (en) | 2013-05-21 | 2013-05-21 | Detector of continuous demanded water amount of plant growth |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267701A (en) * | 2013-05-21 | 2013-08-28 | 中国农业科学院农田灌溉研究所 | Detector for continuous water demand of plant growth |
| CN105340658A (en) * | 2015-12-09 | 2016-02-24 | 上海市农业生物基因中心 | Cultivating device for measuring water consumption of water-saving and drought-resistant rice and use method thereof |
| CN106718800A (en) * | 2016-11-30 | 2017-05-31 | 深圳前海弘稼科技有限公司 | Cultivation box and its control method and control device |
| CN106818283A (en) * | 2017-02-14 | 2017-06-13 | 何易航 | A kind of flowerpot Intelligent watering system and flowerpot Intelligent watering method |
-
2013
- 2013-05-21 CN CN 201320279044 patent/CN203243782U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267701A (en) * | 2013-05-21 | 2013-08-28 | 中国农业科学院农田灌溉研究所 | Detector for continuous water demand of plant growth |
| CN105340658A (en) * | 2015-12-09 | 2016-02-24 | 上海市农业生物基因中心 | Cultivating device for measuring water consumption of water-saving and drought-resistant rice and use method thereof |
| CN105340658B (en) * | 2015-12-09 | 2019-05-28 | 上海市农业生物基因中心 | A kind of culture apparatus and its application method measuring saving water, resisting drought rice water consumption |
| CN106718800A (en) * | 2016-11-30 | 2017-05-31 | 深圳前海弘稼科技有限公司 | Cultivation box and its control method and control device |
| CN106818283A (en) * | 2017-02-14 | 2017-06-13 | 何易航 | A kind of flowerpot Intelligent watering system and flowerpot Intelligent watering method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20140521 |